8
SN
Icon
Name
Note
NC5
NO2
～
C2, Group 3: port
NO3
～
C3, Group 4: port
NO4
～
C4, Group 5: port
NO5, C5, NC5). Output
alarm signal to the alarm
device. Please make sure
there is power to the
external alarm device.
NO: Normal open alarm
output port.
C: Alarm output public end.
NC: Normal close alarm
output port.
A
RS-485 communication
port
RS485_A port. It is the cable A.
You can connect to the control
devices such as speed dome
PTZ.
B
RS485_B.It is the cable B. You
can connect to the control
devices such as speed dome
PTZ.
T+
、
T-
、
R+
、
R-
Four-wire full-duplex 485
port
Four-wire full-duplex 485 port.
T+
，
T- : for the output wire.
R+
，
R- : for the input wire.
CTRL 12V
Control power output
Controller 12V power output. It
is to control the on-off alarm
relay output.
4
VIDEO OUT
Video output port
Connect to video output
devices such as TV.
5
AUDIO OUT
Audio output port
Audio output port. It is to output
the analog audio signal to the
devices such as the sound box.
6
MIC OUT
Audio output port
Audio output port. It is to output
the analog audio signal to the
devices such as the sound box.
Bidirectional talk output.
Audio output on 1-window
video monitor.
Audio output on 1-window
video playback.
7
MIC IN
Audio input port
Bidirectional talk input port. It is
to receive the analog audio
signal output from the devices
such as microphone, pickup.
8
AUDIO IN
Audio input port
It is to receive the analog audio
signal output from the devices
such as microphone, pickup.
